Preflight Prep Marine Corps Cpl. Sean Conners waits to preform preflight checks during Red Flag at Nellis Air Force Base, Nev., March 21, 2024. Red Flag is an aerial combat training exercise. SHARE IMAGE: Download Image: Full Size (1.48 MB) Tags: Marine Corps, Nevada Photo By: Air Force Senior Airman Megan Estrada VIRIN: 240321-F-WE075-1108Y.JPG Photo Gallery